Dry Co-Digestion of Poultry Manure with Agriculture Wastes
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This study tested the effect on thermophilic and mesophilic digestion of poultry manure (PM) or treated poultry manure (TPM) by the addition of agriculture wastes (AWS) as a co-substrate under dry conditions. PM was co-digested with a mixture of AWS consisting of coconut waste, cassava waste, and coffee grounds. Results were increased methane content in biogas, with decreased ammonia accumulation and volatile acids. The highest performance occurred under mesophilic conditions, with a 63 and 41.3 % increase in methane production from addition of AWS to TPM (562 vs. 344 mL g VS−1 from control) and PM (406 vs. 287 mL g VS−1 from control), respectively. Thermophilic conditions showed lower performance than mesophilic conditions. Addition of AWS increased methane production by 150 and 69.6 % from PM (323.4 vs. 129 mL g VS−1 from control) and TPM (297.6 vs. 175.5 mL g VS−1 from control), respectively. In all experiments, 100 % acetate produced was degraded to methane. Maximum ammonia accumulation was lowered to 43.7 % by mixing of AWS (range 5.35–8.55 vs. 7.81–12.28 g N kg−1 bed). The pH was held at 7.3–8.8, a range suitable for methanogenesis.
KeywordsDry co-digestion Methane production Poultry manure Coffee waste Cassava waste Coconut waste
The authors are grateful to Hitachi Engineering and Services (HES), Japan, for financial support.
- 6.Schafer W., Lehto M., Teye F. (2006) Dry anaerobic digestion of organic residues on-farm-a feasibility study. MTT Agrifood Research Reports 77. Agricultural Engineering; Finland. http://www.mtt.fi/met/pdf/met77.pdf.
- 18.Karaalp D., Calıskan G., Azbar N. (2013) Performance evaluation of a biogas reactor processing chicken manure with high solids content Digital Proceeding Of THE ICOEST’2013-, Cappadocia C. Nevsehir, Turkey, June 18–21, 2013Google Scholar
- 31.APHA. (1998). Standard methods for the examination of water and wastewater (20th ed.). Washington, DC: APHA, AWWA, WEF.Google Scholar
- 33.Lowry, O. H., Rosebrough, N. J., Farr, A. L., & Randall, R. J. (1951). Protein measurement with the Folin phenol reagent. Journal of Biological Chemistry, 193, 265–275.Google Scholar
- 34.AOAC. (1995). Official method of analysis (16th ed., p. 1995). Virginia: Association of Official Agricultural Chemists.Google Scholar
- 35.Lazor, M., Hutňan, M., Sedlácek, S., Kolesárová, N., & Špalková, V. (2010). Anaerobic co-digestion of poultry manure and waste kitchen oil. In J. Markoš (Ed.), Proceedings of the 37th International Conference of Slovak Society of Chemical Engineering, Tatranské Matliare, Slovakia, 1399–1406. (37th International Conference of SSCHE May 24–28, Tatransk’e Matliare, Slovakia.Google Scholar
- 38.Raposo, F., Borja, R., Martin Santos, M. A., Martin, A., de la Rubia, M. A., & Rincon, B. (2009). Influence of inoculum-substrate ratio on the anaerobic digestion of sunflower oil cake in batch mode: process stability and kinetic evaluation. Chemical Engineering Journal, 149, 70–77.CrossRefGoogle Scholar
- 43.Chen, G. Y., Chang, Z. Z., Ye, X. M., Du, J., Xu, Y. D., & Zhang, J. Y. (2012). Methane production by anaerobic co-digestion of chicken manure and Spartina alterniflora residue after producing methane. Huan Jing Ke Xue, 33, 203–207.Google Scholar